PLC TM卡开发系统汇编程序(ATM8051)

PLC TM卡开发系统汇编程序(ATM8051)

;***************** 定义管脚*************************
SCL BIT P1.0
SDA BIT P1.1
GC BIT P1.2
BZ BIT P3.6
LEDI BIT P1.4
LEDII BIT P1.5
OK BIT 20H.1
OUT1 BIT P1.3
OUT2 BIT P1.0
OUT3 BIT P1.1
RXD BIT P3.0
TXD BIT P3.1
PCV BIT P3.2
WPC BIT P3.3
RPC BIT P3.5
LEDR BIT P3.4
LEDL BIT P3.6
TM BIT P3.7
;********************定义寄存器***********************
ROMDTA EQU 30H;
NUMBY EQU 61H;
SLA EQU 60H;
MTD EQU 2FH;
MRD EQU 40H;
TEMP EQU 50H;
;
ORG 00H;
;
INDEX:
MOV P1, #00H;
MOV P2, #0FFH
MOV MTD ,#00H
CALL REE
MOV R0,40H
CJNE R0,#01,NO;
MOV P2,#1CH
LJMP VIME
N MOV P2,#79H
ACALL TOUCHRESET ;
JNC NO ;
CALL READTM ;
CJNE A,#01H,NO;
NOP
MOV MTD, #00H
CALL WEE
NOP
MOV P2,#4AH
SETB BZ
CALL TIME
CLR BZ
MOV PCON, #0FFH
VIME:
CALL TIME1
CALL TOUCHRESET
JNC VIME
CALL READTM
CJNE A, #01H,VIME;
NOP
NOP
NOP
III: MOV MTD,#00H
CALL REE
CALL BB
JNB OK,NO1
LJMP ZHU
NO1:
MOV MTD,#10H